Ida Kirkegaard, Olav Bjørn Petersen, Niels Uldbjerg and Niels Tørring Improved performance of first-trimester combined screening for trisomy 21 with the double test taken before a gestational age of 10 weeks Prenatal Diagnosis 28
Article first published online: 1 AUG 2008 | DOI: 10.1002/pd.2057
Complete the form below and we will send an e-mail message containing a link to the selected article on your behalf
Required = Required Field
Choose captcha format: Image or Audio. Click here if you need help.